Which of the following is the excretory organ in birds?
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117 questionsExample of animal exhibiting mating colouration is
In most vertebrates, the common basic plan with a skull, vertebral column and a pair of girdle is an evidence of evolution from
Which of the following is an advantage of cross fertilization?
The green-brown colour of grasshopper's body in dry grass field is an adaptation for
Which of these animals create their natural habitats in burrows?
The type of teeth used for tearing in man is labelled
When the cotyledons appear above the soil during germination is called
One of the components of peripheral nervous system is
Use the diagram above to answer the questions that follow
The endocrine gland that is located in the part labelled I is
The bright colouration of the flower of a flowering plant is an adaptation for
The process by which plants absorb water from the soil through their roots is
One of the characteristics of insect pollinated flowers is
A complex feeding relationship between organisms in a habitat that involves transfer of energy in form of food is
Use the diagram above to answer the question that follows.
The structure labelled I is adapted for
Which of the following controls protein and enzyme syntheses in the cytoplasm of the cell?
The process that brings about the cooling effect on the body of mammals is